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Mechanical Response in an N-Electrode Piezo-Quartz Bar under Electrical and Thermal Excitations

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Munshi T., Kundu K., Mahalanabis R.

Acta Physica Polonica A

1995

vol. 87

issue 6

995-1002

The mechanical response in an N-electrode piezo-quartz bar where two consecutive electrodes are separated by an unelectroded region has been studied under electrical and thermal excitations. The bar is subjected to a periodic polarization gradient and a constant flow of heat. The method of operational calculus and Green's function has been used to solve the problem. For time scale ranging from 0.1 to 1.0 s the response becomes a linear function of time and is of the order of 10^{-8} m.

Disturbances in a Semi-Infinite Piezoelectric Medium Coated with a Perfectly Conducting Thin Film under the Influence of Time-Dependent Flow of Heat for a Finite Interval

100%

Munshi T., Kundu K., Mahalanabis R.

Acta Physica Polonica A

1994

vol. 85

issue 3

585-592

An attempt was made to investigate analytically the mechanical behaviour of a semi-infinite piezoelectric medium coated with a perfectly conducting thin film under the influence of time-dependent flow of heat at the finite end. The problem involves the interaction of three fields, viz. electrical, mechanical and thermal, and the solution was obtained with the aid of operational calculus. The resultant displacement consists of a time-dependent, as well as a time-independent part and the variation of displacements exhibits an arc of a parabola.

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2 Acta Physica Polonica A

1 1995

1 1994

2 Kundu K.

2 Mahalanabis R.

2 Munshi T.

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Mechanical Response in an N-Electrode Piezo-Quartz Bar under Electrical and Thermal Excitations

Disturbances in a Semi-Infinite Piezoelectric Medium Coated with a Perfectly Conducting Thin Film under the Influence of Time-Dependent Flow of Heat for a Finite Interval